Tham khảo tài liệu 'toefl axam cost 2', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | APPENDIX A Answers and Explanations Chapter 2 Reading Comprehension Skills Practice 1 1. b. This passage is about the history of bicycles. It does describe several different kinds of bicycles choice a but these descriptions are in the context of how the bicycle has evolved over time. There is no discussion of how to ride a bicycle so choice c is incorrect. While some of the developments in bicycle design were improved safety features the passage does not provide information on riding bicycles safely choice d . 2. c. This is the only sentence general enough to encompass all of the ideas in the passage. Each paragraph describes the innovations that led to the modern design of the bicycle and this design has made it popular around the world. 141 --------------------------- ANSWERS AND EXPLANATIONS ------------------------------------- 3. b. The essay describes the history of the bicycle from its invention in 1818 to its modern design so A Ride through the History of Bicycles is the best title. There is no comparison to other kinds of transportation or any discussion of using bicycles for fitness so choices a and c are incorrect. The passage does tell us that bicycles are one of the most popular means of recreation and transportation around the world. But the focus is on the history of bicycle design not on its popularity. 4. d. Macmillan may have been a great inventor but this paragraph only describes his innovations in bicycle design. The first sentence in this paragraph expresses this main idea in a clear topic sentence. The rest of the paragraph provides specific examples of the improvements he made in bicycle design. 5. a. The best clue is sentence 17 which serves as a topic sentence for the paragraph With these improvements the bicycle become extremely popular and useful for transportation. Lawson s improvements may have been innovative choice b but there is no emphasis in this paragraph on the innovative nature of his design changes innovation is the emphasis in